Search Fund Due Diligence Checklist for Investors

Investing in a search fund is not like buying shares in a public company or committing capital to a diversified private equity fund. It is a concentrated, illiquid, relationship-driven investment in a single operator and, eventually, a single business. The due diligence process reflects that reality — it is simultaneously more personal and more specific than almost any other form of private market investing.

Experienced search fund investors have developed rigorous frameworks for evaluating both the searcher and the acquisition target. This checklist consolidates that collective wisdom into a practical reference tool — covering every dimension of diligence from operator assessment through to financial analysis, legal review, and post-acquisition governance planning.

Use it in two phases: first to evaluate the searcher before committing search capital, and second to evaluate the acquisition target when the searcher presents a deal.

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Phase 1: Evaluating the Searcher

The most important due diligence you will ever conduct in a search fund investment happens before a business has been identified. You are evaluating a person — their character, their capability, their resilience, and their alignment with your interests as an investor. Get this wrong and no amount of business quality will save the investment.

1.1 Background and Track Record

• Does the searcher have a coherent professional narrative that connects their past to the search fund model?
• Have they held positions where they were directly responsible for outcomes — not just advisory or analytical roles?
• What is the quality of the organisations they have worked for, and what did they actually achieve there?
• Do they have evidence of direct management experience — people who reported to them and whose performance they were accountable for?
• Have they operated in the industry or sector their thesis targets, or is the thesis purely financially derived?
• What do their references say — and have you spoken to those references directly, not just received written testimonials?

1.2 The Acquisition Thesis

• Is the thesis specific and defensible, or generic and vague?
• Does it connect authentically to the searcher’s professional background and genuine expertise?
• Have they demonstrated real market knowledge — conversations with business owners, industry contacts, data on deal flow in their target sector?
• Is the geographic focus realistic given their network and language capabilities?
• Have they acknowledged the risks and limitations of their approach, or do they present an unrealistically confident picture?
• Does the thesis account for the competitive dynamics of the target market — who else is buying businesses in this sector and at what multiples?

1.3 Character and Resilience

• Can the searcher describe genuinely difficult situations they have navigated — and do their accounts feel lived rather than performed?
• How do they respond to challenging questions about their background, their thesis, or their weaknesses?
• Do they demonstrate intellectual honesty — acknowledging what they do not know as readily as what they do?
• Are they genuinely curious and open to input, or do they treat investor conversations as a one-way pitch?
• Have you observed them across multiple interactions and in different contexts — or only in a polished first meeting?

1.4 Personal Alignment

• Do they have the personal financial capacity to sustain themselves through a search that takes longer than planned?
• Is their personal life genuinely aligned with a seven-to-ten-year commitment — partner, family, geographic flexibility?
• Have they had honest conversations with the people in their life who will be affected by this decision?
• Do they have realistic expectations about the difficulty of the search phase — or are they significantly underestimating what lies ahead?

1.5 Investor Relationship Dynamics

• How do they communicate — are their emails clear, timely, and professional?
• Do they follow up on commitments and conversations promptly?
• How do they handle disagreement — do they engage constructively with pushback or become defensive?
• Are they selective and thoughtful about which investors they are approaching, or are they pitching indiscriminately?
• What do they expect from their investors beyond capital — and are those expectations realistic?

1.6 Reference Checks

Reference checks in the search fund context deserve more rigour than a brief phone call. The questions that reveal the most include:

• Would you work with or for this person again — and why?
• Can you describe a situation where this person faced significant adversity? How did they respond?
• What is this person’s greatest professional weakness?
• If you were investing your own capital in this search fund, what would give you most confidence and most concern?
• Have you observed this person in a leadership context — managing people, making decisions under pressure?

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Phase 2: Evaluating the Acquisition Target

When the searcher has identified a business and placed it under LOI, your due diligence focus shifts from the operator to the business itself. This phase is more analytical and more structured — but it requires equal rigour, because a strong operator in a fundamentally broken business rarely produces a good outcome.

2.1 Financial Due Diligence

Historical financial performance

• Three to five years of audited or reviewed financial statements — income statement, balance sheet, cash flow statement
• Monthly management accounts for the most recent 12 to 24 months
• Year-over-year revenue growth — is the trend stable, growing, or declining?
• EBITDA margins over time — are they consistent, expanding, or compressing?
• EBITDA margins in the single digits versus 20 to 25 percent are a flag — businesses with higher margins are more attractive and are an indicator of a natural barrier to competition which allows companies to charge a premium

Quality of earnings

• What normalisation adjustments are required to arrive at true maintainable EBITDA? These commonly include owner salary above or below market rate, personal expenses run through the business, one-off costs or revenues, and related-party transactions at non-market terms
• Is a formal Quality of Earnings report being prepared by an independent accounting firm? For acquisitions above £5 million in enterprise value this is strongly recommended
• Are there any aggressive revenue recognition policies — recognising revenue earlier than economic substance warrants?
• What is the level of deferred revenue — subscriptions or contracts paid in advance that create revenue recognition obligations post-closing?

Revenue quality and predictability

• What percentage of revenue is recurring — contracts, subscriptions, long-term service agreements?
• What is the average customer tenure? High churn is a fundamental risk that no management intervention fully resolves
• What is the revenue concentration by customer? No single customer should represent more than 15 to 20 percent of total revenue
• Is revenue growing organically, or has it been maintained through price increases that may not be sustainable?
• Are there any significant contracts up for renewal in the 12 to 24 months post-closing?

Working capital analysis

• What is the normalised working capital requirement of the business?
• Is the working capital cycle improving or deteriorating — are receivables being collected faster or slower over time?
• Are there any seasonal working capital dynamics that will require financing post-closing?
• What is the quality of accounts receivable — is the ageing profile healthy or does it contain significant overdue balances?

Capital structure and debt

• What debt exists on the business currently — bank facilities, shareholder loans, equipment finance, hire purchase agreements?
• Are there any contingent liabilities — pending litigation, tax disputes, warranty claims, environmental liabilities?
• What are the capital expenditure requirements of the business — both maintenance capex to sustain current operations and growth capex to support future development?
• What is the total interest payment required annually and what sales and EBITDA are required to cover that base interest?

Tax compliance and history

• Are all tax returns filed and up to date?
• Are there any open tax disputes, unpaid liabilities, or HMRC/tax authority enquiries?
• Has the business taken advantage of any tax schemes or structures that carry retrospective risk?
• What are the tax implications of the proposed acquisition structure — asset purchase versus share purchase?

2.2 Commercial Due Diligence

Market and competitive position

• What is the total addressable market and what share does the business hold?
• Who are the primary competitors and how does the business differentiate from them?
• What are the barriers to entry that protect the business from new competition — regulatory requirements, switching costs, proprietary technology, long-term customer relationships?
• Is the industry fragmented — with room to grow through add-on acquisitions — or consolidating?
• What is the risk of technological disruption to the business model over the next five to ten years?

Customer analysis

• What is the composition of the customer base — number of customers, tenure, revenue per customer, industry sectors?
• Have you spoken directly with key customers — not just reviewed their contracts — to assess the depth of their relationship with the business?
• What would cause a key customer to leave — and how likely is that cause to materialise post-acquisition?
• Has the owner been the primary relationship holder with key customers? If so, what is the plan to transition those relationships to the incoming CEO?

Supplier and partner relationships

• Who are the critical suppliers and what is the nature of the relationship — exclusive agreements, preferred supplier status, or commodity purchasing?
• Are any critical supplier relationships at risk — contracts up for renewal, suppliers facing their own financial difficulties, or terms likely to change post-acquisition?
• Are there any change of control provisions in key supplier contracts that require consent to the transaction?

Sales pipeline and growth prospects

• Is there a documented sales pipeline — and is it realistic?
• What is the conversion rate from lead to customer, and has that been improving or declining?
• What is the organic growth rate of the business absent the departing owner’s personal sales efforts?

2.3 Operational Due Diligence

Management team and key personnel

• Who are the key people in the business beyond the founder — and how dependent is the business on any single individual?
• What is the tenure, capability, and retention risk of the senior team?
• Have you met the senior team personally — not just received the founder’s characterisation of them?
• Are there retention agreements or incentive structures in place to retain key people through the ownership transition?
• What roles will need to be recruited post-acquisition — and how difficult and expensive will that recruitment be?

Owner dependency

• To what degree does the business depend on the founder for customer relationships, supplier relationships, technical knowledge, or operational decision-making?
• Has the owner been actively reducing their operational involvement in preparation for a transition — or are they still central to daily operations?
• What is the plan for the owner’s involvement post-closing — a defined transition period, ongoing consultancy, or clean departure?

Operational processes and systems

• Are the core operational processes documented — or do they exist only in the heads of long-tenured employees?
• What technology infrastructure does the business use — is it current and scalable, or ageing and vulnerable?
• Are there any operational bottlenecks that are currently constraining growth and would require investment to resolve post-acquisition?
• What is the physical infrastructure of the business — premises, equipment, vehicles — and what is the condition and remaining useful life of key assets?

Culture and employee relations

• What is the general cultural tone of the business — and is it compatible with the incoming CEO’s leadership style?
• Are there any pending employment disputes, grievances, or industrial relations issues?
• What is the employee turnover rate — and has it been increasing?
• Are there any TUPE (Transfer of Undertakings) or equivalent employment law considerations that apply to the transaction in the relevant jurisdiction?

2.4 Legal Due Diligence

Corporate structure

• What is the corporate structure of the business — a single entity or a group of companies?
• Are there any minority shareholders whose consent is required for the transaction — or who might challenge the sale?
• Are all statutory filings up to date — annual returns, accounts, director changes?

Material contracts

• Have all material customer contracts, supplier agreements, and partnership arrangements been reviewed?
• Are there any change of control provisions that would allow counterparties to terminate contracts on a change of ownership?
• Are there any contracts with unusual or onerous terms — exclusivity obligations, minimum purchase commitments, liability caps that are inadequate?
• Are intellectual property rights clearly owned by the company — or are there any licences, joint development agreements, or disputes that cloud ownership?

Property and leases

• What property does the business occupy — owned or leased?
• Are leases assignable to the new owner, and is landlord consent required for the transaction?
• Are there any dilapidations obligations, break clauses, or upcoming rent reviews that create financial exposure?

Regulatory and compliance

• Does the business operate in a regulated sector — and are all required licences, permits, and registrations in place and transferable?
• Are there any regulatory investigations, enforcement actions, or compliance failures in the business’s history?
• What data protection and privacy obligations does the business have — and is it compliant with GDPR or equivalent requirements?

Litigation history

• Are there any pending, threatened, or historical legal claims against the business?
• Have there been any material disputes with customers, suppliers, employees, or regulators in the past five years?

2.5 Valuation and Return Analysis

• Is the proposed purchase price consistent with comparable transactions in the sector — and how was the EBITDA multiple derived?
• Have you built your own financial model — rather than relying solely on the searcher’s model — to stress-test the return assumptions?
• What does the return look like under a base case, downside case, and upside case scenario?
• Do not assume a multiple expansion from the current purchase price to exit — multiples are based on market forces beyond the business’s control and it is safest to keep them constant in base case modelling
• What is the proposed capital structure — the mix of senior debt, seller financing, and equity — and is it sustainable under a downside scenario?
• What are the IRR and MOIC outcomes under each scenario, and are they attractive relative to the risk being taken?

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Phase 3: Post-Investment Governance

Due diligence does not end at closing. The governance structure established at acquisition determines how effectively investors can monitor performance, support the CEO, and intervene if problems arise.

3.1 Board Composition and Dynamics

• Is the board composed of investors with relevant operational experience — not just financial backgrounds?
• Does the board have enough members to provide genuine diversity of perspective — without being so large that it becomes unmanageable?
• Are board meeting cadence, reporting requirements, and decision thresholds clearly defined in the shareholder agreement?
• Does the searcher-CEO have a meaningful relationship with each board member — and are the dynamics genuinely collaborative rather than adversarial?

3.2 Information Rights and Reporting

• What financial reporting will investors receive — monthly management accounts, quarterly board packs, annual audited accounts?
• Are the reporting timelines defined — and is the CEO committed to delivering information on schedule?
• Are there clearly defined KPIs that will be tracked and reported at each board meeting?
• Is there a mechanism for investors to request additional information outside the standard reporting cycle?

3.3 Reserved Matters

• What decisions require board or investor approval rather than CEO discretion — capital expenditure above a defined threshold, new debt facilities, acquisitions, senior hiring?
• Are the reserved matters appropriate — specific enough to protect investors without micromanaging the CEO?

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Search Fund Insider is an independent publication. Nothing published on this site constitutes financial or investment advice. Always consult a qualified professional before making investment decisions.